How long does the battery last on a full charge
4531
I do not know - I crank it ever once and a while - it always appears charged - the light is strong
4532
I never played the radio for more than a few hours at a time without recharging it with the AC adapter. When I got your question, I turned the radio to a station at volume setting #8 and it is still playing 24 hours later! Hope this helps.
4533
I would estimate the rechargeable battery lasts about 5-10 minutes. With the crank the battery does not last that long. Maybe I got a bad rechargeable battery, which suggests bad quality control. At this point it is useless when the rechargeable batteries are in the unit. Regarding the 3 AAA battery it takes, I just checked the unit and they appear to be drained, but I am unsure of the power they had when I installed them. I believe someone else documented the fact that the battery drains when in alert/standby mode. Also, the unit is quite small. It is slightly bigger (but much deeper) than a smartphone. I hope to try another rechargeable battery before I toss the thing. I would estimate the rechargeable battery lasts about 5-10 minutes. With the crank the battery does not last that long. Maybe I got a bad rechargeable battery, which suggests bad quality control. At this point it is useless when the rechargeable batteries are in the unit. Regarding the 3 AAA battery it takes, I just checked the unit and they appear to be drained, but I am unsure of the power they had when I installed them. I believe someone else documented the fact that the battery drains when in alert/standby mode. Also, the unit is quite small. It is slightly bigger (but much deeper) than... » Read More I would estimate the rechargeable battery lasts about 5-10 minutes. With the crank the battery does not last that long. Maybe I got a bad rechargeable battery, which suggests bad quality control. At this point it is useless when the rechargeable batteries are in the unit. Regarding the 3 AAA battery it takes, I just checked the unit and they appear to be drained, but I am unsure of the power they had when I installed them. I believe someone else documented the fact that the battery drains when in alert/standby mode. Also, the unit is quite small. It is slightly bigger (but much deeper) than a smartphone. I hope to try another rechargeable battery before I toss the thing. « Show Less
4534
We have taken it with us fishing for ten to twelve hours and it lasted that long! We love it! Good product!
4535
Difficult question. Full charge while playing radio soft? Loud? In the sunshine? In the dark? Charging other devices? With an occasional crank of the charger? Absolutely refusing ever to to crank the charger? I've never let mine fully run out, but the answer is that unless you're completely incapacitated, it's totally simple to keep it going, given all the options that are available to you.
1801528
When new, the battery lasted 45 to 60 minutes after a full charge. The second summer season, a full charge resulted in only 30 to 45 minutes. This summer will be the third season, and I hope there isn't another drop.
847447
It's ridiculously long. I've had this for over 6 months now and it still shows it has a full charge. I expect I'll get about a year without changing it at this rate. Buy it.
752546
If you use the battery that comes with it, about 4-5 hours for a full charge.
117649
With installed 800mA battery, after 100% charged, it last about 3 days. We had a test on a 2400mA battery, it last about 7 days.
2231968
The instructions say 90 minutes but I reach a full charge in less time. I don't wait until it is totally run down though. I heard that running it fully down is not good for it. I've been totally satisfied with it.
1415941
Actually, my first full charge took almost 48 hours. I initially thought the battery was defective. However, every charge after the first one has been relatively "normal" (4 hours or so for a fully depleted battery). I'm very pleased with the battery's performance. It lasts for slightly over 48 hours with GPS, Wi-FI, and Bluetooth turned on; and normal call/text/surfing use.
962017
while operating - at least 6 hours. I think mine died during the 7-8 hours after a full charge. I leave it in my car and the batteries remain charged until I actually use it and I'd say it keeps its charge for awhile, on a monthly basis. Not too sure about annually.
795173
I am using it right now, the full charge is not quit as lone as the original battery.
1126212
Hi Diane L. It takes up to 2 hrs to fully charge and it will hold a charge for up to 5 hours .
1186877
The battery has run 3 hours with no problem. Probably will go longer with a full charge. I stopped before the battery did. This is an excellent tool.
1757215
That completely depends on the speed you are running it. If you only run it at full speed, it may last two hours on a charged battery. If you run at the lowest speed, it can last up to 15 hours or so.
1871798
I get between 3-4 hours on a charge. I tend to charge it when I am at 1/2 charge while I am still on it to keep it ready to go. It works well,I am pleased with it.
1614889
It takes 8 hours for both batteries to be fully charged from empty to full. But most of the time you probably find some capacity remains in the battery, so it will take mostly less than 8 hours. Charge it every night before you sleep, and it should be fully charged when you get up. With full charge, it can run about 20KM which is about 12.5miles. (testing on flat surface running non-stop).
1764519
I would charge it for a full 15 hours before using it. They usually come partially charged, so doing a full charge is the best way to be sure.
666877
From all the way dead about 6 to 8 hours for a full charge. When it is charging there is a red led, and when it is fully charged it turns blue. It works great!
232268
It probably took about two hours for the battery to fully charge. I have used it off-and-on for maybe an hour a night for two weeks. The battery is still going strong. The unit goes to sleep after 15 minutes of non-use to save battery. Hope that helps.